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Finding the Fourth Proportional to 483,628.80, 726,134.40 and 273,676.80

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Solution

The fourth proportional to 483,628.80, 726,134.40 and 273,676.80 is: 410,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,628.80 : 726,134.40 = 273,676.80 : x
  2. Step 2: Convert to fraction form
    483,628.80/726,134.40 = 273,676.80/x
  3. Step 3: Cross multiply
    483,628.80x = 726,134.40 × 273,676.80
  4. Step 4: Simplify right side
    483,628.80x = 198,726,138,961.92
  5. Step 5: Solve for x
    x = 198,726,138,961.92/483,628.80
  6. Step 6: Final answer
    x = 410,906.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.